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# Bar and Circle Graphs

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### Bar and Circle Graphs

1. 1. Fill in your name: ______________Math Modeling: The Wonderful World of Bar Graphs and Pie ChartsWe will use this site to create bar graphs and pie charts: http://nces.ed.gov/nceskids/createagraph/I used this website to create the following two graphs:Using the charts above, please answer the following questions:1. Note at least 3 differences between the two graphs:2. Which graph would be easier to make by hand? Why?3. How many students are in my Algebra 2 class? Which graph did you use to answer this question?4. What percentage of my students currently has an A? Which graph did you use to answer this?
2. 2. 5. If I want to display some data, when should I use a bar graph instead of a pie chart? Vice-versa?Now it is your turn to create a bar graph and pie chart. Use the table below and the website listedabove to create your graphs. Make sure to label each axis and display category values.Ann Arbor A2Tech Clemente Community Huron Pioneer SkylineHigh SchoolNumber of 132 86 489 1628 1910 1228 StudentsCopy and Paste your charts below:6. How many students attend high school in the Ann Arbor School District?7. What percentage of these students attends A2Tech?Notes:Bar Graphs =Pros:Cons:
3. 3. Pie Charts =Pros:Cons:Practice Questions:7. The table below shows the number of sneakers sold by brand for this month. Construct a graph whichbest demonstrates the sales of each brand. Paste your graph below and answer the questions that follow.Why did you select one particular type of graph over another to represent this data? What were theadvantages of your selection? Were there any disadvantages?8. The table shows the composition of the Earth’s atmosphere. Construct a graph that best represents thecomposition of the Atmosphere. Paste your graph below and answer the questions that follow.Why did you select one particular type of graph over another to represent this data? What were theadvantages of your selection? Were there any disadvantages?
4. 4. 9. The ages of 7 trumpet players in a band are 13, 12, 11, 12, 11, 10, and 12. What type of graph would beappropriate for comparing the ages of these trumpet players?10. When asked if “antidisestablishmentarianism” has 28 letters, 50 people said yes, 35 said no, and 15 saidI don’t know. What type of graph would best compare these responses to each other and with the total?11. The growth of 257 different plants was recorded in centimeters. What type of graph would be best forcomparing the growth of each plant?